<?php
/* $Id$ */
/*
	services_dnsmasq.php
	part of m0n0wall (http://m0n0.ch/wall)

	Copyright (C) 2003-2004 Bob Zoller <bob@kludgebox.com> and Manuel Kasper <mk@neon1.net>.
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/

##|+PRIV
##|*IDENT=page-services-dnsforwarder
##|*NAME=Services: DNS Forwarder page
##|*DESCR=Allow access to the 'Services: DNS Forwarder' page.
##|*MATCH=services_dnsmasq.php*
##|-PRIV


require("guiconfig.inc");

$pconfig['enable']  = isset($config['dnsmasq']['enable']);
$pconfig['regdhcp'] = isset($config['dnsmasq']['regdhcp']);
$pconfig['regdhcpstatic'] = isset($config['dnsmasq']['regdhcpstatic']);

if (!is_array($config['dnsmasq']['hosts'])) 
	$config['dnsmasq']['hosts'] = array();

if (!is_array($config['dnsmasq']['domainoverrides'])) 
       $config['dnsmasq']['domainoverrides'] = array();

hosts_sort();

$a_hosts 	   = &$config['dnsmasq']['hosts'];
$a_domainOverrides = &$config['dnsmasq']['domainoverrides'];

if ($_POST) {

	$pconfig = $_POST;

	$config['dnsmasq']['enable'] = ($_POST['enable']) ? true : false;
	$config['dnsmasq']['regdhcp'] = ($_POST['regdhcp']) ? true : false;
	$config['dnsmasq']['regdhcpstatic'] = ($_POST['regdhcpstatic']) ? true : false;

	write_config();

	$retval = 0;

	config_lock();
	$retval = services_dnsmasq_configure();
	config_unlock();

	$savemsg = get_std_save_message($retval);

	if ($retval == 0) {
		if (file_exists($d_hostsdirty_path))
			unlink($d_hostsdirty_path);
	}
}

if ($_GET['act'] == "del") {
       if ($_GET['type'] == 'host') {
               if ($a_hosts[$_GET['id']]) {
                       unset($a_hosts[$_GET['id']]);
                       write_config();
                       touch($d_hostsdirty_path);
                       header("Location: services_dnsmasq.php");
                       exit;
               }
       }
       elseif ($_GET['type'] == 'doverride') {
               if ($a_domainOverrides[$_GET['id']]) {
                       unset($a_domainOverrides[$_GET['id']]);
                       write_config();
                       touch($d_hostsdirty_path);
                       header("Location: services_dnsmasq.php");
                       exit;
               }
       }
}

$pgtitle = array("网络设置","DNS转发");
include("head.inc");

?>

<script language="JavaScript">
<!--
function enable_change(enable_over) {
	var endis;
	endis = !(document.iform.enable.checked || enable_over);
	document.iform.regdhcp.disabled = endis;
	document.iform.regdhcpstatic.disabled = endis;
}
//-->
</script>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<?php include("fbegin.inc"); ?>
<form action="services_dnsmasq.php" method="post" name="iform" id="iform">
<?php if ($savemsg) print_info_box($savemsg); ?>
<?php if (file_exists($d_hostsdirty_path)): ?><p>
<?php print_info_box_np("DNS转发设置已更改。<br>您需要应用更改使其生效。");?><br>
<?php endif; ?>
<div class="soft_cont_right_table">
	<table width="100%" border="0" cellpadding="6" cellspacing="0">
								<tr>
									<td class="soft_tabtr">DNS转发</td>
                </tr>
                <tr>
                  <td class="vtable"><p>
                      <input name="enable" type="checkbox" id="enable" value="yes" <?php if ($pconfig['enable'] == "yes") echo "checked";?> onClick="enable_change(false)">
                      <strong>启用DNS转发<br>
                      </strong></p></td>
                </tr>
                <tr>
                  <td class="vtable"><p>
                      <input name="regdhcp" type="checkbox" id="regdhcp" value="yes" <?php if ($pconfig['regdhcp'] == "yes") echo "checked";?>>
                      <strong>在DNS转发服务中注册DHCP客户<br>
                      </strong>如果选中该选项，指定了主机名的机器在获取DHCP租约后会被注册到DNS转发服务中，
                         这样他们的主机名可以被解析。</p>
                    </td>
                </tr>
                <tr>
                  <td class="vtable"><p>
                      <input name="regdhcpstatic" type="checkbox" id="regdhcpstatic" value="yes" <?php if ($pconfig['regdhcpstatic'] == "yes") echo "checked";?>>
                      <strong>在DNS转发服务中注册DHCP静态绑定客户<br>
                      </strong>如果选中该选项，设置了DHCP静态绑定的机器在获取DHCP租约后会被注册到DNS转发服务中，
                         这样他们的主机名可以被解析。</p>
                    </td>
                </tr>				
                <tr>
                  <td> <input name="submit" type="submit" class="formbtn" value="保存" onclick="enable_change(true)">
                  </td>
                </tr>
                <tr>
                  <td><p><span class="vexpl"><span class="red"><strong>注意：<br>
                      </strong></span>如果启用DNS转发服务，DHCP服务会自动将LAN的IP地址作为
                      DNS服务器下发到DHCP客户。DNS转发服务会使用在
                      <a href="general_setup.php">系统信息：一般设置</a>中设置的DNS服务器，
                         或者在允许DNS服务器覆盖时通过DHCP、PPP在WAN上获得的DNS服务器。<br>
                      <br>
                         您可以在下面添加记录来覆盖转发的结果。</span></p></td>
                </tr>
        </table>
        &nbsp;<br>
        <table width="100%" border="0" cellpadding="0" cellspacing="0">
                <tr>
                  <td width="20%" class="listhdrr">主机</td>
                  <td width="25%" class="listhdrr">域</td>
                  <td width="20%" class="listhdrr">IP</td>
                  <td width="25%" class="listhdr">描述</td>
                  <td width="10%" class="list">
                    <table border="0" cellspacing="0" cellpadding="1">
                      <tr>
			<td width="17"></td>
                        <td valign="middle"><a href="services_dnsmasq_edit.php"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>
                      </tr>
                    </table>
		  </td>
		</tr>
			  <?php $i = 0; foreach ($a_hosts as $hostent): ?>
                <tr>
                  <td class="listlr" ondblclick="document.location='services_dnsmasq_edit.php?id=<?=$i;?>';">
                    <?=strtolower($hostent['host']);?>&nbsp;
                  </td>
                  <td class="listr" ondblclick="document.location='services_dnsmasq_edit.php?id=<?=$i;?>';">
                    <?=strtolower($hostent['domain']);?>&nbsp;
                  </td>
                  <td class="listr" ondblclick="document.location='services_dnsmasq_edit.php?id=<?=$i;?>';">
                    <?=$hostent['ip'];?>&nbsp;
                  </td>
                  <td class="listbg" ondblclick="document.location='services_dnsmasq_edit.php?id=<?=$i;?>';">
                    <?=htmlspecialchars($hostent['descr']);?>&nbsp;
                  </td>
                  <td valign="middle" nowrap class="list">
                    <table border="0" cellspacing="0" cellpadding="1">
                      <tr>
                        <td valign="middle"><a href="services_dnsmasq_edit.php?id=<?=$i;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0"></a></td>
                        <td><a href="services_dnsmasq.php?type=host&act=del&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this host?')"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" border="0"></a></td>
		      </tr>
                   </table>
                </tr>
		<?php $i++; endforeach; ?>
                <tr>
                  <td class="list" colspan="4"></td>
                  <td class="list">
                    <table border="0" cellspacing="0" cellpadding="1">
                      <tr>
			<td width="17"></td>
                        <td valign="middle"><a href="services_dnsmasq_edit.php"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>
                      </tr>
                    </table>
		   </td>
	</table>
<!-- update to enable domain overrides -->
        <table width="100%" border="0" cellpadding="6" cellspacing="0">
	       <tr><td>&nbsp;</td></tr>
               <tr>
                 <td><p>您可以覆盖某个域的DNS解析结果。</p></td>
               </tr>
        </table>
	&nbsp;<br>
        <table width="100%" border="0" cellpadding="0" cellspacing="0">
               <tr>
                 <td width="35%" class="listhdrr">域</td>
                 <td width="20%" class="listhdrr">IP</td>
                 <td width="35%" class="listhdr">描述</td>
                 <td width="10%" class="list">
			<table border="0" cellspacing="0" cellpadding="1">
			    <tr>
				<td width="17" heigth="17"></td>			
				<td><a href="services_dnsmasq_domainoverride_edit.php"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>
			    </tr>
			</table>
		 </td>
                              </tr>
                        <?php $i = 0; foreach ($a_domainOverrides as $doment): ?>
               <tr>
                 <td class="listlr">
                   <?=strtolower($doment['domain']);?>&nbsp;
                 </td>
                 <td class="listr">
                   <?=$doment['ip'];?>&nbsp;
                 </td>
                 <td class="listbg">
                   <?=htmlspecialchars($doment['descr']);?>&nbsp;
                 </td>
                 <td valign="middle" nowrap class="list"> <a href="services_dnsmasq_domainoverride_edit.php?id=<?=$i;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0"></a>
                    &nbsp;<a href="services_dnsmasq.php?act=del&type=doverride&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this domain override?')"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" border="0"></a></td>
                              </tr>
                        <?php $i++; endforeach; ?>
               <tr>
                 <td class="list" colspan="3"></td>
                 <td class="list">
			<table border="0" cellspacing="0" cellpadding="1">
			    <tr>
				<td width="17" heigth="17"></td>			
				<td><a href="services_dnsmasq_domainoverride_edit.php"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>
			    </tr>
			</table>
		 </td>
	       </tr>
        </table>
      </div>
        </form>
<script language="JavaScript">
<!--
enable_change(false);
//-->
</script>
<?php include("fend.inc"); ?>
</body>
</html>
